Answer Happy

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A researcher wishes to see if there is a relationship between
Internet use by high school students and isolation of the students.
Internet use is measured by the number of hours per week that the
students spend on the computer. Isolation is measured by having the
students complete a questionnaire. The questionnaire score ranges
from 20 to 50, with 50 being the most isolated students. The data
are shown. Is there a significant relationship between the
variables?
Data:
Internet Use: 32, 15, 23, 8, 12
Isolation Score: 45, 37, 22, 15, 39
1, The correlation coefficient between the variables
equals
2, Use the t test for the correlation coefficient, for the 95%
confidence, the critical t value equals .
3, The test t value equals .
4, The p value equals .
5, Is there a significant relationship between the variables?
(answer "Yes" or "No")
6, Is it necessary to do a regression analysis? (answer "Yes" or
"No")